1. The decision made by the Intellectual Property Tribunal on February 28, 2020 on the case No. 2019Da2145 shall be revoked.

2. The costs of the lawsuit are assessed against the defendant.

1. Basic facts

A. The title of the patent invention 1) invention: C2) filing date/registration date/registration number: D/E/F3: Defendant 4) claims : In advertising systems using a certification number printed on the offline card containing the name of the claim 1 (hereinafter referred to as “content 1”), the certification number database, which stores the certification number for non-certified access at the time of non-certification of the offline site, is indicated as “Sluri B” in the specification (Evidence 2) of the patented invention of this case, but is written by using “the database” in accordance with the correct external indication method.

(hereinafter referred to as "class 2" and ; (hereinafter referred to as "class 2") a screen screen page for the input of a certification number by user computer (300); and a certification number book for the reception of a certification number for non-certified site access from user computer (hereinafter referred to as "class 3"); and the certification processing book for search as to whether the above certification number has the same certification number as the certification number received by the above certification number receipt book (hereinafter referred to as "class 4"); and where the above certification processing book is certified by the certification processing book, an advertising processing book for the transmission of advertising information to the user’s computer (hereinafter referred to as "class 5"); and an advertising processing department for the transmission of advertising information to the user’s computer (hereinafter referred to as "class 6"); the above advertising processing department for the process of processing non-certified access to the user’s computer site (hereinafter referred to as "content 1; hereinafter referred to as "part 2; hereinafter referred to as the above advertising processing unit") linked with the above advertising processing unit (hereinafter referred to as "product 1.